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Why is pi called pi?


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Pi, was given its name after the Greek letter by William Jones, a self-taught English mathematician born in Wales. ChaCha on!

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Pi is a letter of the greek alphabet. It also translates to "little mouth" which can be why it's used as a number for a circle.

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Pi is a Greek letter, chosen to represent the ratio of a circle's circumference to its diameter because periphery starts with p.

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The Egyptians, calculated it to be approximately (4/3)^4 which equals 3.1604. ChaCha!

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